Home / 422,449.04-582,979.56-231,469.68

Finding the Fourth Proportional to 422,449.04, 582,979.56 and 231,469.68

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Solution

The fourth proportional to 422,449.04, 582,979.56 and 231,469.68 is: 319,428.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,449.04 : 582,979.56 = 231,469.68 : x
  2. Step 2: Convert to fraction form
    422,449.04/582,979.56 = 231,469.68/x
  3. Step 3: Cross multiply
    422,449.04x = 582,979.56 × 231,469.68
  4. Step 4: Simplify right side
    422,449.04x = 134,942,092,199.74
  5. Step 5: Solve for x
    x = 134,942,092,199.74/422,449.04
  6. Step 6: Final answer
    x = 319,428.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.